Trace element concentrations
| Analyte | Barrett’s oesophagus (n = 36) | Erosive oesophagitis (n = 32) | Patient controls (n = 35) |
|---|---|---|---|
| Values shown are mean (95% confidence interval). | |||
| *p = 0.05 v patient controls. | |||
| Copper (μmol/l) | 16.0 (15.0 to 16.9) | 16.9 (15.5 to 18.3) | 16.3 (14.9 to 17.7) |
| Selenium (μmol/l) | 0.72* (0.67 to 0.78) | 0.75 (0.71 to 0.79) | 0.81 (0.74 to 0.87) |
| Zinc (μmol/l) | 13.3 (11.4 to 15.1) | 12.9 (12.2 to 13.5) | 13.1 (11.6 to 14.6) |